:root {
  --tile-size: 512px;
  --gap: 0px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  background: #000;
  color: #f5f5f5;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}
main.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--gap);
  width: 100vw;
  min-height: 100vh;
}
.tile {
  position: relative;
  width: min(var(--tile-size), 100%);
  aspect-ratio: 1 / 1;
  background: #111;
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
}
.tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter 0.25s ease;
}
.tile.open img {
  filter: blur(2px) brightness(0.4);
}
.overlay {
  position: absolute;
  inset: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: linear-gradient(180deg, rgba(0,0,0,0.78), rgba(0,0,0,0.92));
  opacity: 0;
  transition: opacity 0.25s ease;
  overflow: auto;
}
.tile.open .overlay {
  opacity: 1;
}
.overlay h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
}
.overlay p {
  margin: 0;
  font-size: 14px;
  line-height: 1.45;
  color: #d8d8d8;
  white-space: pre-line;
}
.overlay a {
  margin-top: auto;
  align-self: flex-start;
  color: #8ad8ff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.overlay a:hover {
  text-decoration: underline;
}
.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #888;
  padding: 40px 0;
}
